CVE-2022-21842 Microsoft Word Remote Code Execution Vulnerability
An attacker can execute arbitrary code by tricking a user into opening a specially crafted Microsoft Word document.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-21842?
CVE-2022-21842 is a high-severity code injection vulnerability in Microsoft Sharepoint Enterprise Server, published on 11 Jan 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Microsoft Word Remote Code Execution Vulnerability
Which versions are affected by CVE-2022-21842?
It affects 2 products.
Products include Microsoft Sharepoint Enterprise Server, Microsoft Word.
How do I fix CVE-2022-21842?
No fix has been published for CVE-2022-21842 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2022-21842 being exploited?
There is no known exploitation of CVE-2022-21842 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Enterprise Server
- CVE-2019-0604 Microsoft SharePoint Remote Code Execution
- CVE-2023-24955 Microsoft SharePoint Server Code Injection
- CVE-2025-49706 Microsoft SharePoint Improper Authentication
- CVE-2020-1210 Microsoft SharePoint Remote Code Execution Vulnerability
- CVE-2020-1595 Microsoft SharePoint Remote Code Execution Vulnerability
Sources
Also known as GHSA-w79c-gwh4-8r76.